#!/bin/bash

SRC_URI="http://www.ctohome.com/FuWuQi/8b/291.html"
PKG_NAME='pptpd'
N="pptpd"
V="1.3.4"

INST_HOME="/opt/install/$N-$V"
if [ ! -d $INST_HOME ]; then
	mkdir -pv $INST_HOME
fi 
cd $INST_HOME

yum remove -y pptpd ppp
iptables --flush POSTROUTING --table nat
rm -rvf /etc/pptpd.conf
rm -rvf /etc/ppp

#wget http://mirrors.dev.shopex.cn/automake/files/dkms-2.0.17.5-1.noarch.rpm
#wget http://mirrors.dev.shopex.cn/automake/files/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm
#wget http://mirrors.dev.shopex.cn/automake/files/pptpd-1.3.4-1.rhel5.1.i386.rpm
#wget http://mirrors.dev.shopex.cn/automake/files/ppp-2.4.4-9.0.rhel5.i386.rpm

yum -y install make libpcap iptables gcc-c++ logrotate tar cpio perl pam tcp_wrappers
#rpm -ivh dkms-2.0.17.5-1.noarch.rpm
yum install -y dkms 
rpm -ivh kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm
#rpm -qa kernel_ppp_mppe
#rpm -Uvh ppp-2.4.4-9.0.rhel5.i386.rpm
#rpm -ivh pptpd-1.3.4-1.rhel5.1.i386.rpm
yum install -y ppp pptpd

mknod /dev/ppp c 108 0 
echo 1 > /proc/sys/net/ipv4/ip_forward 
echo "mknod /dev/ppp c 108 0" >> /etc/rc.local
echo "echo 1 > /proc/sys/net/ipv4/ip_forward" >> /etc/rc.local
echo "localip 172.16.36.1" >> /etc/pptpd.conf
echo "remoteip 172.16.36.2-254" >> /etc/pptpd.conf
echo "ms-dns 8.8.8.8" >> /etc/ppp/options.pptpd
echo "ms-dns 8.8.4.4" >> /etc/ppp/options.pptpd

pass1=`openssl rand 6 -base64`
if [ "$1" != "" ]
then pass1=$1
fi

pass2=`openssl rand 6 -base64`
if [ "$1" != "" ]
then pass2=$1
fi

echo -e "vpn1 pptpd ${pass1} *\nvpn2 pptpd ${pass2} *" >> /etc/ppp/chap-secrets

iptables -t nat -A POSTROUTING -s 172.16.36.0/255.255.255.0 -j SNAT --to-source `ifconfig  | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk 'NR==1 { print $1}'`
service iptables save

chkconfig iptables on
chkconfig pptpd on

service iptables start
service pptpd start